A security source confirmed the explosion took place close to the Ministry of Public Works in Kabul city earlier today, wounding at least two people.
The source further added that a magnetic improvised explosive device went off close to the ministry compound.
The eyewitnesses earlier reported that the explosion took place close to Abdul Haq Square.
Photos published on social media indicate white plumes of white smoke rising from the site of the explosion.
No individual or group including Taliban has so far claimed responsibility for the incident.